A website is the best way to make money online. How can you do it? There are basicly 2 ways.
1- You can promote and sell your products online on your website.
2- You can make money online by cooperating others sell their products on your website. You may advertise their products and/or sell their products to earn commission.

Selling your own products is not difficult to know. But the second way to make money has some details about advertisement:

CPC: Cost per click. When your website visitors click on ads, you make money. For example, Google Adsense.
Affiliates: It’s promotional programs. You can join this programs to make your website visitors member of a internet based company.

You can also transfer money through paypal, moneybookers, e-gold and neteller.